. >> turns out it was caused by african rodents imported into america as pets. that outbreak was quickly contained. >> but in central africa, monkeypox continues to kill. dr. wolff takes sanjay and me on a long journey from cameroon to the democratic republic of congo where 20 people have just died from a monkeypox outbreak. we fly to a remote town called loja, where in a walled compound, we find coy alone in a small hut. >> now, we're standing out here and she's inside there. why is that? >> so the first thing you need to do is to isolate the patient. >> he is a local scientist working with dr. wolff's team. >> are we at risk? how contagious is this? >> just looking at the patient, you have no risk. but when you are in contact, direct contact with the patient, at that time you are in danger. >> coy is the latest victim. all of these people are slowly recovering and are still quarantined in this makeshift clinic. painful sores cover their bodies and they say they feel tired all the time. >> if she hadn't made it to you, to this place, what would happen to her? >